thanks for the vlog comment . .biggest loser is a show in the US .. .which basically a work out show. these contestants come on and are obese .. usually ranginging from 250-400 ish pounds .. and they workout all week with these trainers (bob and jillian michael) and weigh in weekly .. they get serious results ..losing anywhere from 2-20ish pounds a week ... so ..you get to see the before and after pics ...and wow .. its motivation .. im pretty sure you can google the show .. to see some episodes ... its great motivation .. .thanks again for the comment .. good luck on your goals!